20652288 has 36 divisors (see below), whose sum is σ = 54967248. Its totient is φ = 6883840.

The previous prime is 20652277. The next prime is 20652299. The reversal of 20652288 is 88225602.

It is an interprime number because it is at equal distance from previous prime (20652277) and next prime (20652299).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12678 + ... + 14213.

It is an arithmetic number, because the mean of its divisors is an integer number (1526868).

Almost surely, 2^20652288 is an apocalyptic number.

It is an amenable number.

20652288 is an abundant number, since it is smaller than the sum of its proper divisors (34314960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20652288 is an equidigital number, since it uses as much as digits as its factorization.

20652288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26910 (or 26896 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 20652288 is about 4544.4788480089. The cubic root of 20652288 is about 274.3612192925.

The spelling of 20652288 in words is "twenty million, six hundred fifty-two thousand, two hundred eighty-eight".